| COUNTERSINK HEIGHT | 0.060 INCHES NOMINAL |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM |
| HEAD HEIGHT | 0.004 INCHES MINIMUM AND 0.006 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.3710 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.316 INCHES MINIMUM AND 0.326 INCHES MAXIMUM |
| HEAD STYLE | UNDERSIZED OVAL COUNTERSUNK |
| HEAT TREATMENT | T-81 SOLUTION HEAT TREATED OVERALL |
| MATERIAL | ALUMINUM ALLOY 2219 OVERALL |
| SHANK DIAMETER | 0.249 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |